package arraylist;
import  java.util.ArrayList;
public class ArrayList1 {
    public static void main(String[] args) {
        ArrayList <Double>arrayList=new ArrayList();
        arrayList.add(11.1);
        arrayList.add(22.2);
        arrayList.add(33.3);
        ArrayList<String>arrayList2=new ArrayList<>();
        arrayList2.add("zhangsan");
        arrayList2.add("lisi");
        arrayList2.add("wangwu");
        System.out.println(arrayList+""+arrayList2);
    }
}
